<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8" />
  <meta http-equiv="X-UA-Compatible" content="IE=edge" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>Document</title>
  <link rel="stylesheet" href="./css/index.css" />
</head>

<body>
  <div class="container">
    <ul class="top">
      <!-- 基础模板 -->
      <!-- <li>
        <a href="javascript:;">首页</a>
        <ul class="sub">
          <li>
            <a href="javascript:;">
              <span>砂锅厨具</span>
              <img src="https://yanxuan.nosdn.127.net/3102b963e7a3c74b9d2ae90e4380da65.png?quality=95&imageView" alt="">
            </a>
          </li>
        </ul>
      </li> -->
    </ul>
  </div>
  <script src="./axios.js"></script>
  <!-- <script src="./index.js"></script> -->
  <script>
    axios.defaults.baseURL = 'http://ajax-api.itheima.net'

    axios({
      method: 'get',
      url: "/api/category/top"
    }).then(({ data: res }) => {
      // console.log(res);
      const requestArr = res.data.map(item => {
        return axios({
          method: 'get',
          url: '/api/category/sub?id=' + item.id
        })
      })

      return Promise.all(requestArr)
    }).then(res => {

      const childrenList = res.map(item => {
        const { data } = item
        return data
      })
      // console.log(childrenList);

      const renderList = childrenList.map(item => {
        return `<li>
        <a href="javascript:;">${item.data.name}</a>
        <ul class="sub">
          ${item.data.children.map(item => {
          return `<li>
            <a href="javascript:;">
              <span>${item.name}</span>
              <img src="${item.picture}" alt="">
            </a>
          </li>`
        }).join('')}
        </ul>
      </li>`
      }).join('')

      console.log(renderList);

      document.querySelector('.top').innerHTML = renderList
    })
  </script>
</body>

</html>